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Protein Variants:
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EC Number
Protein Variants
Commentary
Reference
3.2.1.139
D192A
site-directed mutagenesis, the mutation has no effect on the enzyme activity
732167
3.2.1.139
D206A
site-directed mutagenesis, the mutant shows highly reduced activity compared to the wild-type enzyme
732167
3.2.1.139
D215A
15fold decrease in catalytic efficiency
738687
3.2.1.139
D274A
as active as wild-type enzyme
-
,
646735
3.2.1.139
D332A
site-directed mutagenesis, inactive mutant
732167
3.2.1.139
D335A
complete loss of activtiy
-
,
738687
3.2.1.139
D335A
weak binding of substrate
-
,
738687
3.2.1.139
D364A
0.000015% of wild-type activity
-
,
646735
3.2.1.139
D364A/E392C
0.0000004% of wild-type activity
646735
3.2.1.139
D365A
activity is 0.0001% of wild-type activity
646737
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